package com.skynet.supervision.config;

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import lombok.val;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * The type Mybatis plus config.
 */
@Configuration
@MapperScan("com.skynet.supervision.dao")
@EnableTransactionManagement
public class MybatisPlusConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        //乐观锁
        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        //分页锁
        val pageInterceptor = new PaginationInnerInterceptor();
        pageInterceptor.setOverflow(true);
        pageInterceptor.setOptimizeJoin(true);
        interceptor.addInnerInterceptor(pageInterceptor);
        return interceptor;
    }

    /**
     * Mybatis plus interceptor pagination interceptor.
     *
     * @return the pagination interceptor
     */
//    @Bean
//    public PaginationInterceptor mybatisPlusInterceptor() {
//        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
//        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
//        // paginationInterceptor.setOverflow(false);
//        // 设置最大单页限制数量，默认 500 条，-1 不受限制
//        // paginationInterceptor.setLimit(500);
//        // 开启 count 的 join 优化,只针对部分 left join
//        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
//        paginationInterceptor.setDbType(DbType.MYSQL);
//        return paginationInterceptor;
//    }
}
